- psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
- if (psubstream) {
- ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
- component->dev,
- size, &psubstream->dma_buffer);
- if (ret) {
- dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n");
- return ret;
- }
- }
-
- csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
- if (csubstream) {
- ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
- component->dev,
- size, &csubstream->dma_buffer);
- if (ret) {
- dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n");
- if (psubstream)
- snd_dma_free_pages(&psubstream->dma_buffer);
- return ret;
- }
-
- }
-
- return 0;
-}
-
-static void lpass_platform_pcm_free(struct snd_soc_component *component,
- struct snd_pcm *pcm)
-{
- struct snd_pcm_substream *substream;
- int i;
-
- for_each_pcm_streams(i) {
- substream = pcm->streams[i].substream;
- if (substream) {
- snd_dma_free_pages(&substream->dma_buffer);
- substream->dma_buffer.area = NULL;
- substream->dma_buffer.addr = 0;
- }
- }